Welding machine



FIG. 1 is a front view of a welding machine according to the present invention.

FIG. 2 is a left side view of the welding machine of FIG. 1 .

FIG. 3 is a top view of the welding machine of FIG. 1 .

FIG. 4 is a rear view of the welding machine of FIG. 1 .

FIG. 5 is a right side view of the welding machine of FIG. 1 .

FIG. 6 is a bottom view of the welding machine of FIG. 1 .

FIG. 7 is a perspective view showing the front, left side and bottom of the welding machine of FIG. 1 ; and,

FIG. 8 is a perspective view showing the top, right side and rear of the welding machine of FIG. 1 .

The broken lines show portions of a welding machine which form no part of the claimed design. 

CLAIM I claim the ornamental design for a welding machine, as shown and described. 